The Unsymmetrical Delay Compensation in WDM Time Transmission Using Optical Fiber

Author(s):  
Xiaofeng Li ◽  
Shuangyou Liang ◽  
Faxi Chen ◽  
Kan Zhao ◽  
Shougang Zhang
2021 ◽  
Author(s):  
Erik Dierikx ◽  
Yan Xie ◽  
Adrian Savencu ◽  
José Lopez ◽  
José Luis Gutiérrez

A nanosecond-accuracy, scalable, multi-point time- and frequency dissemination has been set up in an existing DWDM optical fiber network spanning approximately 200 km, using the White Rabbit (WR) Precision Time Protocol (PTP). Presented novelties in this paper are: a performance study of 5 cascaded WR switches allowing a wide fan-out; reference delay compensation ensuring that the time received by the user is synchronized with the reference timescale within a few nanosecond offset; experiments with a master clock priority algorithm for redundant operation and experimental results of hold-over performance.


2020 ◽  
Vol 49 (8) ◽  
pp. 806002-806002
Author(s):  
赵粹臣 Cui-chen ZHAO ◽  
赵文宇 Wen-yu ZHAO ◽  
薛文祥 Wen-xiang XUE ◽  
全洪雷 Hong-lei QUAN ◽  
闫露露 Lu-lu YAN ◽  
...  

2010 ◽  
Author(s):  
Anton V. Bourdine ◽  
Vladimir A. Burdin ◽  
Oleg R. Delmukhametov

2021 ◽  
Author(s):  
Erik Dierikx ◽  
Yan Xie ◽  
Adrian Savencu ◽  
José Lopez ◽  
José Luis Gutiérrez

A nanosecond-accuracy, scalable, multi-point time- and frequency dissemination has been set up in an existing DWDM optical fiber network spanning approximately 200 km, using the White Rabbit (WR) Precision Time Protocol (PTP). Presented novelties in this paper are: a performance study of 5 cascaded WR switches allowing a wide fan-out; reference delay compensation ensuring that the time received by the user is synchronized with the reference timescale within a few nanosecond offset; experiments with a master clock priority algorithm for redundant operation and experimental results of hold-over performance.


1981 ◽  
Vol 64 (10) ◽  
pp. 95-103
Author(s):  
Kiyonobu Kusano ◽  
Shigeo Nishida

2015 ◽  
Vol 135 (7) ◽  
pp. 755-764 ◽  
Author(s):  
Shuhei Shimizu ◽  
Yoshiki Ohno ◽  
Takahiro Nozaki ◽  
Kouhei Ohnishi

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